Liquid level on-line measurement method based on magnetic buoyancy

A measurement method and liquid level technology, which is applied in the direction of buoy liquid level indicator, etc., can solve the problems of unstable concentration level, high humidity, high speed and accuracy of liquid level measurement, etc.
CN101403631AActive Publication Date: 2009-04-08苏州浙远自动化工程技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
苏州浙远自动化工程技术有限公司
Publication Date
2009-04-08

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Abstract

The invention provides a liquid level online measuring method based on the magnetic buoyancy. Through calibrating the corresponding volume of the liquid level in a multiple effect evaporator, the function relationship between the volume and the liquid level is constructed, and the function is inputted into a computer, thereby measuring the evaporation liquid volume; and the density function Rho and the temperature correction coefficient k of the condensed liquid evaporation process are measured, and the relevant parameters are inputted in to the computer, thereby measuring the mass of the evaporation liquid. The invention provides a liquid level measuring method based on the principle of magnetic floater, the aim is to solve the technical problem of condensed liquid measurement in the vacuum boiling state, to achieve the real automatic control of the condensed process, to reduce the condensed process differences of traditional Chinese medicine between different batches, and to provide a new technology for improving the production quality stability and the modernization of the traditional Chinese medicine. The invention has the advantages of reasonable design, simple preparation of the multiple effect evaporator, and low cost.
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Description

technical field

[0001] The invention belongs to the technical field of process analysis and detection, and relates to an on-line liquid level measurement method in the multi-effect evaporation concentration process based on magnetic buoyancy, which overcomes the instability of the state caused by violent liquid turbulence, foam ups and downs, and system pressure changes during the concentration process, and is especially suitable for The invention discloses an on-line liquid level measurement method for concentrated traditional Chinese medicine extract materials by multi-effect evaporation in a vacuum state. Background technique

[0002] The concentration section is an important link in the production of traditional Chinese medicine. It distills and concentrates the extract to make the concentration of the medicinal liquid meet the production requirements. , stability and so on are closely related, and it is a crucial operation unit in the process of traditional Chinese medi...

Claims

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